232203421 has 4 divisors (see below), whose sum is σ = 233741344. Its totient is φ = 230665500.

The previous prime is 232203401. The next prime is 232203449. The reversal of 232203421 is 124302232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232203421 - 2¹¹ = 232201373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232203401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768735 + ... + 769036.

It is an arithmetic number, because the mean of its divisors is an integer number (58435336).

Almost surely, 2^232203421 is an apocalyptic number.

It is an amenable number.

232203421 is a deficient number, since it is larger than the sum of its proper divisors (1537923).

232203421 is a wasteful number, since it uses less digits than its factorization.

232203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537922.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 232203421 is about 15238.2223700798. Note that the first 3 decimals coincide. The cubic root of 232203421 is about 614.6429028348.

Adding to 232203421 its reverse (124302232), we get a palindrome (356505653).

The spelling of 232203421 in words is "two hundred thirty-two million, two hundred three thousand, four hundred twenty-one".